I just acquired this lens but I already have used this previously from a friend. It fast, sharp and light, draw back is, it does not have VC.
I'll start this thread since I know a couple of people who uses this lens.
Here's the tech specs / review for those who are considering to buy this lens.
Tamron SP AF28-75/2.8 XR Di LD Aspherical (IF) Macro Review